And it's hardly a hard concept to grasp. Take a look at all the legendary black females in pop(Mariah, Whitney, Janet). They're made to debut with pop-leaning songs and later in their career, after they've become established, they dive deeper into urban music.
you mean hiphop? and no.
pop radio is bigger than ever. (#1 pop song AI is over 100m and urban #1 is usually less than 40m.)
and only few hiphop song played in pop radio.
basically going more urban(hiphop) means less avg success and also less maximum success.
not to mention those sounds are not popular at all outside US
